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9/11Reirradiation of spinal metastases using an add-on double-focus micro multileaf collimator and a three partial-arc conformal avoidance technique with optimized beam weights: a planning study
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- Publication date
- 2015-05-08
- Usage
- Attribution 4.0 International
- Topics
- reirradiation, spinal metastases, cyberknife, tomotherapy, micro multileaf collimator
- Publisher
- Open Medscience Limited
- Collection
- journals_contributions; journals
- Contributor
- Shiro Nishiyama, Kiyoshi Yoda, Tetsuya Komatsu
- Language
- English
- Rights
- Copyright: © 2015 Nishiyama S, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cited
- Item Size
- 3.4M
Abstract
Reirradiation of spinal metastases requires full consideration of previously delivered dose to the spinal cord thereby significantly constraining further dose delivery. The reirradiation of spinal metastases was frequently performed by Cyberknife or Tomotherapy. However, Cyberknife needs longer treatment time, possibly leading to a higher mental or physical burden to the patients with firm immobilization on the treatment couch, whereas Tomotherapy delivers rotational beams from all angles that may increase mean doses in organs at risk (OARs). Meanwhile, stereotactic body radiotherapy was also successfully employed for the reirradiation that allowed high dose to the target while sparing spinal cord and neighbouring OARs.
Citation
Nishiyama S, Yoda K, Komatsu T. Reirradiation of spinal metastases using an add-on double-focus micro multileaf collimator and a three partial-arc conformal avoidance technique with optimized beam weights: a planning study. Journal of Diagnostic Imaging in Therapy. 2015; 2(2): 35-40.
http://dx.doi.org/10.17229/jdit.2015-0508-017
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